1151505001650 has 24 divisors (see below), whose sum is σ = 2855732404464. Its totient is φ = 307068000400.

The previous prime is 1151505001649. The next prime is 1151505001663. The reversal of 1151505001650 is 561005051511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3838349856 + ... + 3838350155.

It is an arithmetic number, because the mean of its divisors is an integer number (118988850186).

Almost surely, 2^{1151505001650} is an apocalyptic number.

1151505001650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151505001650 is an abundant number, since it is smaller than the sum of its proper divisors (1704227402814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151505001650 is a wasteful number, since it uses less digits than its factorization.

1151505001650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676700026 (or 7676700021 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 1151505001650 in words is "one trillion, one hundred fifty-one billion, five hundred five million, one thousand, six hundred fifty".